sedative

Từ điển WordNet v3.1 - WordNet Dictionary

I - noun

a drug that reduces excitability and calms a person
• Syn:
sedative drug, depressant, downer
• Derivationally related forms:
down (for: downer), depressant (for: depressant), depress (for: depressant)
• Hypernyms:
medicine, medication, medicament, medicinal drug, drug of abuse, street drug
• Hyponyms:
chloral hydrate, glutethimide, Doriden, sedative-hypnotic, sedative-hypnotic drug

II - adjective

tending to soothe or tranquilize
- valium has a tranquilizing effect
- took a hot drink with sedative properties before going to bed
• Syn:
ataractic, ataraxic, tranquilizing, tranquillizing, tranquilising, tranquillising
• Similar to:
depressant
• Derivationally related forms:
sedate, ataraxia (for: ataraxic), ataractic (for: ataractic), ataraxia (for: ataractic)

• Từ đồng nghĩa / Synonyms:
  ataractic, ataraxic, tranquilizing, tranquillizing, tranquilising, tranquillising, sedative drug, depressant, downer